Remote section of China’s Great Wall damaged by 20 years of mine waste dumping

While foreign leaders and their families walk the iconic restored sections of the Great Wall around Beijing, the ancient stones of a remote Ming-era stretch of the structure in northern central China have been sacrificed for cheaper dumping of coal-mining waste. For nearly 20 years, a section of the wall in Ningwu county, Shanxi province, was used as a short cut to dump slag, despite whistle-blowe